Which of the following atoms and ions is (are) isoelectronic with 15² + ₂ (A) As³+ B) Ar (C) C₁³+ D Si4+

Q: WHAT IS THE ATOMIC NUMBER OF THE PERIOD 3 ELEMENT WITH THE FOLLOWING IONIZATION ENERGIES (ALL IN…

A: We know that in a period ionization energy increases as the atomic Number increases from left to…

Q: To which group of the periodic table does the general valence electron configuration ns2np4…

A: ns2np4 means 2 electrons in outer s orbital and 4 in outer p orbital

Q: Which atom and/or ion is (are) isoelectronic with Br+: Se2+, Se, As–, Kr, Ga3+, Cl–? What Do you…

A:

Q: (1) What is the valence electron configuration for the krypton atom? (2) What is the valence…

A:

Q: Does the reaction of a main-group metal oxide in water produce an acidic or a basic solution? Write…

A: The nature of the solution has to be predicted by reaction of main group metal oxide in water has to…

Q: What is the ground-state electron configuration of a Ni2+ ion

A: Electronic configuration The electrons in an atom is arranged in the orbitals, in the increasing…

Q: Which of the following correctly represents the electron affinity of bromine? O Br(g)→Br+ (g) + e¯ O…

A: We need to tell among the given options which one correctly represents the electron affinity of…

Q: Using their electron configurations, explain why Zn and Cd always form 2+ cations

A: The electronic configuration of Zn is 1s2 2s2 2p6 3s2 3p6 3d10 4s2 The electronic configuration of…

Q: Q1. This question is about atomic structure. (a) Write the full electron configuration for each of…

A: Ionization energy is the energy required to eliminate one electron form the outer most shell i.e.…

Q: Arrange the following sets of ions in order of decreasing ionic radii. (a) Br, N p³ s²

A: Answer - Ionic radii - Ionic radii  is the radius of a monatomic ion in an ionic crystal structure.…

Q: Which element forms a 3+ ion that has the electron configuration 3Kr44d 6?

A: The given electronic configuration of the 3+ ion is:  [Kr] 4d6 ⇒ The electronic configuration of the…

Q: Which of the following elements is expected to have the highest SECOND IONIZATION ENERGY:…

A:

Q: O oxygen O chlorine O barium Oboron

A: Multiple choice question is given here.

Q: Write the ground state electron configuration (shorthand ok) and draw orbital diagrams (with…

A:

Q: How does the structure of a lithium ion vary from that of a lithium atom?

A:

Q: Which element has the electron configuration [Ar]4s23d104p O phosphorus O calcium chlorine bromine

A:

Q: Which one of the following species has an ion form which is not isoelectronic with others ion forms?…

A:

Q: How is it that 147N has 5 electrons?

A: An isotope is represented by the system given as,AZX In this notation, X is the symbol of an…

Q: Give 2 cations and 2 anions that are isoelectronic with Kr

A:

Q: Write the ground state electron configuration for atom and ion pair.  Os, Os 4+

A: Electronic configuration: It is defined as the distribution of electrons present in the atom over…

Q: Which has a greater ionization energy, K or Ca and why

A:

Q: Write the electron configuration for a magnesium cation with a charge of +2.

A:

Q: Consider the isoelectronic ions F− and Na+. Using the equation Zeff=Z−S and assuming that core…

A: According to question, Given the equation Zeff=Z−S  Where,  Zeff= Effective nuclear charge Z =…

Q: Give the shell electron configuration for the following. (For example, the shell electron…

A: electron configuration of an element describes how electrons are distributed in its atomic orbitals.

Q: Symbol of the element 4p^1

A:

Q: When barium (atomic number 56 on the periodic table becomes an ion, with which atom does the ion…

A:

Q: Identify the sub-shell in which electrons with the following quantum numbers are found: n=2, I=0 3p…

A: n = 2  L = 0  Identify the sub - shell which have above quantum number = ?

Q: Which of the following elements would you expect to have the highest ionization energy? Pb Ge Cs…

A:

Q: Tellurium can form an anion with a 2- charge. What natural element would be isoelectronic to this…

A: electronic configuration of Tellurium is                             [Kr] 4d10 5s2 5p4  thus it…

Q: Which statement is true about an element with the generic valence electron configuration ns²np4?…

A:

Q: using the concept of effective nuclear charge, can you explain the fact that I1 < I2 < I3 < I4 < I5?

A:

Q: Why is the group A elements (s-block and the p-block) are called the representative elements?

A: Elements in which except outermost shell all shells are completely filled with electrons are called…

Q: Write the electron configuration for P2. How many electrons are in the 3p orbital? How many total…

A:

Q: Rank the elements from highest to lowest ionization energy. To rank items as equivalent, overlap…

A: • The given elements are -  F, N, O, B , Li and Na    • We need to rank the given elements from…

Q: Which neutral atom is isoelectronic with O2+? neutral atom:

A: The atoms, ions or molecules  have same number of electrons is called isoelectronic.

Q: How many core electrons are in N-2?

A: Given :- Atomic symbol = N-2  To find :- number of core electrons  Atomic number of N = 7

Q: Which of the following elements has the smallest first ionization energy? A) S B) O C) Si D) Sr E)…

A:

Q: Of the following, which element has the highest first ionization energy?   I Rb Sb In

A: Ionisation energy is define as the energy required to remove an electron from gaseous atom or an…

Coordination Chemistry

It is a part of chemistry, in which the study of compounds that have central atoms surrounded by molecules or ions, known as ligand, is known as coordination chemistry.